Although anabolic steroids can increase aggression and rage, this does not occur with testosterone therapy. Even supra-pharmacologic doses of intramuscular testosterone undecanoate do not increase aggressive behavior. trialix-review But as stated before, testosterone can aromatize to estradiol. And there is considerable evidence among species, that estrogens, not testosterone, play a major role in aggression and hostility.https://fitose.com/trialix/